Eric Albert links to the Unlambda Programming Language, which basically makes you program with the S and K combinators directly. Here’s what Fibonacci looks like: “`s“s“sii`ki `k.*“s“s`ks “s`k`s`ks“s“s`ks“s`k`s`kr“s`k`sikk `k“s`ksk Insert witty Perl comparison here.